Determine the theoretical yield of the NaCl product‚ showing all of your work in the space below. (5 points) 12.71 NaHCO3 / 84.01 g/mol = 0.1513 moles 0.1513 moles * 58.44 g/mol (NaCL molar mass) = 8.84197 g What is the actual yield of NaCl in your experiment? Show your work below. (4 points) 31.52 g 24.35 g = 7.17 g Determine the percent yield of NaCl in your experiment‚ showing all work neatly in the space below. (5 points) 7.17 g / 8.8197 g = 0.81295 = 81% If you had not heated the product long enough to remove all of the water
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Bursting the Business Bubble The web of the global economy‚ at the center of which lies the United States‚ is affected by each vibration of even the most picayunish strand. Much like a real spider’s web‚ al threads‚ notwithstanding their size‚ affect the frequency at which the web quivers. When a superpower such as the United States falters‚ the entire structure collapses. In 2008‚ this is precisely what happened when the fiber surrounding the housing market was stretched past its breaking
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created this overwhelming religious bubble in the United States. A bubble that has not only overwhelmed many away from organized religion‚ but a bubble that has encircled the idea of organized religion into triviality. Today in the United States‚ around twenty seven percent of Americans identify as spiritual‚ but not religious. This trend displays more than an impressive shift away from churches. The Pew Research Center‚ a leading statistics center‚ noted a nine percent increase in the last five years
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The percent yield was calculated to be 171% indicating a source of error. The high percent yield was due to the product being wet since we did not have enough time to dry the product with the vacuum filter—since we had to evacuate the building due to the fire alarm. If we were able to vacuum filter our product more‚ the percent yield would be close to 100%. 1. Assign the peaks in your NMR spectrum of your salicylic acid. See NMR spectrum on back 2. Assign the peaks in the IR spectrum of your salicylic
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following formulas are used. It is necessary to calculate all cases of output Y to find out the answer. There is a list of marginal revenue and marginal cost in the following. Raw material X Output Y Total revenue Marginal revenue Marginal cost 0 0 0 1000 1 16000 1500 2 31000 15000 5000 2500 3 45000 14000
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The results of 7 mL water from the front camera in the experiment type 1 is shown in Figure 17. These results were also analyzed with the three different points on the time scale in the same way as the case of 5.5 mL water: that is‚ the first point (A)‚ the second one (B) and the third one (C). According to the three points‚ the graphs from PIV analysis are as well listed with the averaged velocities for 60 frames (30 seconds) and the black vector for only one pair of the frames. A release of CO2
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1.How did Japan perform until 1991? How do you explain this performance? The stimulus of Japanese economic miracle was the sorrow and revenge of the Japanese after surrender in World War II that had severely affected Japanese way of living. Likewise‚ it pushed the Japanese together to work harder for economic reform. Japan experienced tremendous economic growth and becomes the second largest economy in the world in 1968[1]. There are several underlying mechanisms behind the success of economic
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three dynamics that the filter bubble introduces for us and discuss the effects of each one on privacy and our internet experience. Upon reading the chapter‚ the filter bubble fundamentally alters the way we encounter ideas and information. According to the book‚ the filter bubble introduces three dynamics we’ve never dealt with before which is one‚ you are alone in it‚ second‚ the filter bubble is invincible‚ and third‚ you don’t choose to enter the filter bubble (Pariser‚ 2012). In terms of privacy
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factors. Many believe that it is hard work that bring them success‚ others think that luck is more important. I totally agree with the quotation‚ because I believe that success comes from hard work‚ as Newton said “Genius is one percent inspiration and ninety nine percent perspiration”. People often believe that luck is something that is beyond our control. How can we know when we get a big contract? How can we predict when our experiment give way for a new discovery? I disagree with this kind
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Mother company PG Tips is a brand of tea in the United Kingdom‚ manufactured by Unilever UK. The founder of PG tips is Arthur Brooke. He launched the product in 1930. He opened his first shop in Manchester‚ but years later he becomes big in the market. This because a big grocer placed a bulk order of tea at wholesale prices. The original name was Pre-gest-tee which shows that the tea could be uses as a digestive aid. Grocers changed the name into PG‚ and the company added ‘tips’ to highlight the
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